You are buying a 2" Pump Union Split Nut Repair Kit which includes the split nut, (2) Screws and a T Gasket for use with a 2" Pump Union. The Pump Union Split Nut that measures about 3 3/8" on the outside and mounts to the existing Pump Union Body using 2 screws to hold it in place. This Split Nut measures about 2 3/4" ID and mounts on the old Pump Union holding flange and screws onto the pump thr [read more]

You are buying a 2 1/2" Pump Union Split Nut Repair Kit which includes the split nut and (2) Screws for use with a 2 1/2" Pump Union. The Pump Union Split Nut that measures about 3 3/4" on the outside and mounts to the existing Pump Union Body using 2 screws to hold it in place. This Split Nut measures about 3 5/16" ID and mounts on the old Pump Union holding flange and screws onto the pump thread [read more]

You are buying a 2" Pump Union Split Nut Repair Kit which includes the split nut and (2) Screws for use with a 2" Pump Union. The Pump Union Split Nut that measures about 3 3/8" on the outside and mounts to the existing Pump Union Body using 2 screws to hold it in place. This Split Nut measures about 2 3/4" ID and mounts on the old Pump Union holding flange and screws onto the pump threads with a [read more]

You are buying a Set of (2) 2" Pump Union Split Nut Repair Kits which includes the split nut and (2) Screws for use with a 2" Pump Union. The Pump Union Split Nut that measures about 3 3/8" on the outside and mounts to the existing Pump Union Body using 2 screws to hold it in place. This Split Nut measures about 2 3/4" ID and mounts on the old Pump Union holding flange and screws onto the pump thr [read more]

You are buying on a 2 1/2" Heater Nut Gasket Only for use with a 2 1/2" Heater Union. If your heater is 2 1/2" and you have verified the width if the lip on your gasket and it matches this Waterway gasket lip width of 2 7/8" this one is right if your gasket lip width is 3 1/8" then you need the Therm style we offer this in our store as well. This version is the 4th most popular version. 2" is the [read more]